Provide a .gitignore file, and fix a typo which prevented some of the
generated binary files from being removed on 'make clean'.
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
Reported-and-tested-by: NAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>